RUKO 2-blade spiral step drill, 30.5 mm, high speed steel, 101098, 1 piece

Catalogue number: 101098 Features: ●High-quality materials are used, allowing stable drilling without load or vibration. Applications: ●Cutting materials: Steel plate (strength 900N/mm2 or less), brass, aluminum, plastic (up to 4mm) Specifications: ●Step width (mm): 4 ●Number of steps (steps): 9 ●Shank diameter (mm): 10 ●Drilling dimensions (φ): 6, 9, 12.5, 15.2, 18.6, 20.4, 22.5, 28.3, 30.5 ●Total length (mm): 80 ●Surface treatment: Non-coated ●Non-coated Material/Finish: ●High-speed steel